Because I eat a whole-foods, plant-based diet with a minimal amount of processed foods, it isn't a huge stretch for me to remove wheat- or gluten-containing ingredients. It didn't take a lot to adapt this recipe.
Why save dogs, but eat other animals? Pigs are more intelligent. They can dream, recognize their own names, fetch a tennis ball, and lead social lives of a complexity previously observed only in primates. Some even enjoy cuddling.